I will fix complex fastapi bugs and backend issues in python

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Jani Babjan
fix complex fastapi bugs and backend issues in python
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fix complex fastapi bugs and backend issues in python

About this gig

Are you stuck with a FastAPI bug, API error, or backend issue in your Python project?

I specialize in debugging and fixing FastAPI applications quickly and efficiently. Whether your API is crashing, returning errors, or not performing as expected, I will identify the root cause and provide a clean, reliable solution.

What I can fix:

FastAPI errors (500, 404, validation issues)

API not responding or crashing

Database issues (PostgreSQL, queries, connections)

Authentication problems (JWT, OAuth)

Performance bottlenecks and slow endpoints

Deployment issues (Uvicorn, Nginx, server configs)

Async/await bugs and concurrency issues

What you will get:

Root cause analysis (not just a patch)

Clean and optimized fix

Well-explained solution (if needed)

Quick and reliable delivery

Why choose me:

I have strong experience in backend systems, debugging complex issues, and working with real-world production environments. I focus on solving problems properly so they dont come back.

Before placing an order, feel free to contact me with your issue so I can suggest the best package.

Lets fix your FastAPI issue the right way.

  • Programming language

    • Python

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Security
    • Operating systems
    • Databases

  • Frontend framework

    • jQuery

  • Backend framework

    • Django
    • FastAPI
    • Node.js

Get to know Jani Babjan

Jani Babjan

I fix complex bugs in Python, C, Javascript, Postgresql, and linux backend fast

  • FromIndia
  • Member sinceApr 2026

  • Languages

    English
I’m a backend and systems developer specializing in solving complex technical problems that others struggle with. I have hands-on experience working with C#, Python, PostgreSQL, Linux systems, and backend APIs. Over time, I’ve developed a strong ability to quickly identify root causes and fix issues efficiently—whether it’s a tricky segmentation fault, a broken SQL query, or a production server problem. I focus on delivering: ✔ Clear solutions (not just quick fixes) ✔ Clean, maintainable code ✔ Fast turnaround and reliable communication Let’s get your problem solved.

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